Finding the Fourth Proportional to 120,882.82, 181,318.68 and 42,003.22

Step by Step Solution

1. Step 1: Write the proportion equation
   120,882.82 : 181,318.68 = 42,003.22 : x
2. Step 2: Convert to fraction form
   120,882.82/181,318.68 = 42,003.22/x
3. Step 3: Cross multiply
   120,882.82x = 181,318.68 × 42,003.22
4. Step 4: Simplify right side
   120,882.82x = 7,615,968,406.15
5. Step 5: Solve for x
   x = 7,615,968,406.15/120,882.82
6. Step 6: Final answer
   x = 63,002.90